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(No Model.)

H. P. HURST.`

PROJECTILB.

Patented Oct, 16, 1888.

UNITED STATES PATENT OFFICE.

HARRIS P. HURST, OF SUMMIT, MISSISSIPPI, ASSIGNOR'TO THE HURST REINFORCE CARTRIDGE AND 'ARMS COMPANY, OF NEW JERSEY.

PROJ ECTlLE.

SPECIFICATION forming part of Letters Patent No. 391,367, dated October 16, 1888. Application filed November 3, 1387. Serial No. 254,235. (No model.)

To aZZ whom, it may concern.-

Be it known that l, HARRIS P. H Uss'r, residing at Summit, in the county of Pike and State of Mississippi, have invented certain new and useful Improvements in Projcctiles, of which the following is a specification, reference being had therein to the accompanying drawings.

This invention relates to projectiles; and i't consists in the construction of the projectile in such manner that it will lill the chamber or bore of a gun having a large caliber, and will afterward compress to pass through a bore of much smaller' caliber.

The object of the invention is to produce a bullet or similar projectile which will cover a large charge of powder in the chamber of a gun using either a single or a multicharge cartridge, the bullet afterward passing through a smaller bore before leaving the muzzle of the gun.

In the drawings, Figure l is a longitudinal section ofone form of projectile shown in a multicharge cartridge, the cartridge and part of the gun-barrel being similarly shown. Fig. 2 is a longitudi nal section ot' a single-charge cartridge with bullets having two eompressible flanges. Fig. 3 is ascction of a soft-metal bul let having steel core, (the core and point being shown in elevation.) Fig. 4 is a section of a compressible bullet without steel core. Fig. 5 is a detached section of' a bullet similar to that shown in Fig. l, and Fig. 6 is aseetion of a bullet slightly differing from that shown in Fig. 2.

The head of the projectile is solid, of the caliber required to tit snugly in the riding of the gun. A This head may be of lead or similar soft metal, or may be steel or other hard material, as in Fig. 3, in which case a spindle, d, of the hard metal may pass through the bullet andterminate in a base-piece, e. The flange or flanges b in rear of the head a are at their broadest portion c of considerably greater diameter than the head a. This expanded prtion cis of such diameter as to till the chamber of the gun-barrel or cartridgeshelhwhich chamber is of considerably greater diameter than the bore ofthe gun o'.

The bullet is put into a xnultieharge shell,

-cartridge or gun, and shall after the firing be compressed to lit the bore.

The metal of the expanded portion of the bullet will, as it passes along the bore of the gun, be compressed until the entire projectile b lek of the head a will assume a practically cylindrical form, as indicate-l in dotted "lines in several ofthe figures. Where the bullethas a core, the amount of metal in the expanded portion of the bullet is just sufficient to compress solidly on the core and form a solid cylinder equal in diameter to the bore ofthe gun. NVhere the flanges extend from a central spindle the same is true. i

It is obvious that numerous modifications may be made besides the forms shown.

I do not herein claim the cartridge, or the combination of the bullet and its packing with the cartridge-shell, as the same will be embraced in another application.

My theory of operation is that as the bullet is of large diameter and comparatively light weight, a large charge of powder may be burned behind itin the gun-with but little recoil, the bullet being compressed before leaving the gun, so as -o offer but little resistance to the air during lts night.

I claim- 1. A projectile having a cylindrical head ofthe full caliber of the ritled bore of the gun, and a hollow portion in rear thereof enlarged to a rconsiderably greater diameter than the cylindrical portion, so as to fill an enlarged chamberin rear of the rifled bore, substantially as described.

2. The combination, with the head of a projectile of the diameter of the bore of the gun, of a flange inl rear thereof of greater diameter than'thc head, but containing metal in such quantity as to form with the body of the projectile when compressed a compact cylinder of 'the diameter of the head.

3. The combination, in aprojectilc,ofa head of substantially the caliber of the main bore In testimony wheieof I affix my signature in of lolie gun, a hard-metaal spindle extending `presence of two witnesses.- backward from said head,andasoftmetal band l of considerably greater diameter than the main H ARRIS P'. BURST' 5 bore of the gun surrounding said spindle and /Vitnesses:

leaving a space between said band and spindle W. A. BARTLETT,

until Inhe band is compressed, as stated. SAML. C. MILLs. 

